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Home >> Hyundai >> 2009 >> Elantra Touring Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> OBD-II review >> 3) MIL illumination

3) MIL illumination

When the ECM or PCM detects a malfunction related emission during the first driving cycle, the DTC and engine data are stored in the freeze frame memory. The MIL is illuminated only when the ECM or PCM detects the same malfunction related to the DTC in two consecutive driving cycles.

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